1000990696251 has 16 divisors (see below), whose sum is σ = 1642651399424. Its totient is φ = 527995092384.

The previous prime is 1000990696241. The next prime is 1000990696261. The reversal of 1000990696251 is 1526960990001.

It is an interprime number because it is at equal distance from previous prime (1000990696241) and next prime (1000990696261).

It is not a de Polignac number, because 1000990696251 - 2⁵ = 1000990696219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1000990696251.

It is not an unprimeable number, because it can be changed into a prime (1000990696241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1833316021 + ... + 1833316566.

It is an arithmetic number, because the mean of its divisors is an integer number (102665712464).

Almost surely, 2^{1000990696251} is an apocalyptic number.

1000990696251 is a deficient number, since it is larger than the sum of its proper divisors (641660703173).

1000990696251 is a wasteful number, since it uses less digits than its factorization.

1000990696251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666632610.

The product of its (nonzero) digits is 262440, while the sum is 48.

The spelling of 1000990696251 in words is "one trillion, nine hundred ninety million, six hundred ninety-six thousand, two hundred fifty-one".